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Latest Great Lakes Marine Forecast by KBUF
Issued 4/27/2026 4:02 AM America/New_York.
Valid through 4/27/2026 11:00 AM America/New_York.
fzus61 kbuf 270802
glflo
expires:202604271500;;599809
open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon apr 27 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.3 inch high will build across the lower great lakes
through monday. a 29.4 inch low over the great plains monday night
will advance northeast into the upper great lakes later monday night
into tuesday morning, while pushing a warm front across the lake.
the low will head northeast to james bay tuesday night sending a
cold front across the lake. an inverted trough averaging 29.7 inch
inverted trough is expected across the lower great lakes wednesday
through wednesday night. the trough/low will track to the coast of
new england through friday while also deepening to 29.5 inches.
loz062-271500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon apr 27 2026
.today...east winds 10 knots or less increasing to 10 to
15 knots. waves 1 to 3 feet.
.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots. waves 2 to 4 feet.
.tuesday...southeast winds 15 to 20 knots becoming south.
showers. waves 2 to 4 feet.
.tuesday night...southwest winds 15 to 20 knots becoming
northwest and diminishing to less than 10 knots overnight. a
chance of showers in the evening. waves 1 to 3 feet.
.wednesday...north winds 5 to 15 knots becoming northwest 15 to
20 knots. showers. waves 1 foot or less building to 2 to 4 feet.
.thursday...northwest winds 15 to 20 knots. a chance of rain
showers during the day. waves 2 to 4 feet building to 3 to
5 feet.
.friday...northwest winds 15 to 20 knots. waves 3 to 6 feet.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 4/27/2026 9:44 AM America/New_York.
Valid through 4/27/2026 5:45 PM America/New_York.
fzus63 kdtx 271344
glflh
expires:202604272145;;612711
open lake forecast for lake huron
national weather service detroit/pontiac mi
944 am edt mon apr 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...the next low, 29.30 inches, will track through lake
superior tonight. brief southerly gales over the north half of
lake huron expected, along with showers and embedded
thunderstorms as the cold front passes through tuesday morning.
lhz361>363-272145-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
944 am edt mon apr 27 2026
.rest of today...east winds 10 to 15 knots becoming southeast
15 to 20 knots in the afternoon. waves 4 to 6 feet building to
6 to 9 feet late in the afternoon. waves occasionally around
12 feet.
.tonight...southeast winds 15 to 20 knots increasing to 30 knots.
brief gusts to 35 knot gales. a chance of showers in the
evening...then showers after midnight. waves 8 to 12 feet building
to 10 to 14 feet early in the morning. waves occasionally around
18 feet.
.tuesday...southeast winds 20 to 25 knots with brief gusts to 35
knot gales becoming south 15 to 20 knots in the late morning and
afternoon. a chance of showers in the morning. waves 8 to 12 feet.
waves occasionally around 15 feet.
.tuesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. waves 3 to
5 feet.
.wednesday...northwest winds 5 to 10 knots becoming north 10 to
15 knots late in the morning...then backing to the northwest late
in the afternoon increasing to 15 to 20 knots late in the
evening. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon.
.thursday...northwest winds 10 to 15 knots increasing to 15 to
20 knots by midnight. waves 3 to 5 feet.
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots . waves 3 to 5 feet building to 5 to 7 feet . waves
occasionally around 10 feet.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 4/27/2026 9:44 AM America/New_York.
Valid through 4/27/2026 5:45 PM America/New_York.
fzus63 kdtx 271344
glflh
expires:202604272145;;612712
open lake forecast for lake huron
national weather service detroit/pontiac mi
944 am edt mon apr 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...the next low, 29.30 inches, will track through lake
superior tonight. brief southerly gales over the north half of
lake huron expected, along with showers and embedded
thunderstorms as the cold front passes through tuesday morning.
lhz462>464-272145-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
944 am edt mon apr 27 2026
.rest of today...southeast winds 10 to 15 knots. waves 1 to
3 feet building to 2 to 4 feet in the afternoon.
.tonight...southeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. showers and a chance of thunderstorms after midnight.
waves 4 to 6 feet building to 6 to 9 feet after midnight. waves
occasionally around 12 feet.
.tuesday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 15 to 20 knots in the late morning
and afternoon. a chance of showers in the morning. waves 6 to
9 feet. waves occasionally around 12 feet.
.tuesday night...west winds 10 to 15 knots becoming north 5 to
10 knots in the late evening and overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.wednesday...north winds 5 to 10 knots increasing to 15 to
20 knots. a chance of showers in the morning. waves 1 to 3 feet
building to 3 to 5 feet.
.thursday...northwest winds 10 to 15 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet early in the evening...then building to
3 to 5 feet by midnight.
.friday...northwest winds 10 to 15 knots. waves 3 to 5 feet.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 4/27/2026 3:33 AM America/New_York.
Valid through 4/27/2026 11:45 AM America/New_York.
fzus63 kdtx 270733
glflh
expires:202604271545;;598898
open lake forecast for lake huron
national weather service detroit/pontiac mi
333 am edt mon apr 27 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...broad high pressure, 30.20 inches, holds over the
great lakes through early monday. the next low, 29.30 inches,
lifts into the northern great lakes late monday-tuesday bringing
stronger southerly winds and the next chance for thunderstorms.
lhz362-363-271545-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
333 am edt mon apr 27 2026
.today...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. waves 1 to 3 feet building to 3 to
5 feet in the afternoon.
.tonight...southeast winds 15 to 20 knots increasing to 30 knots
with gusts to 35 knot gales. showers likely after midnight. waves
5 to 7 feet building to 8 to 12 feet after midnight. waves
occasionally around 15 feet.
.tuesday...south winds 20 to 25 knots with gusts to 35 knot gales
decreasing to 15 to 20 knots with gusts to around 30 knots in the
late morning and afternoon. showers likely in the morning. waves
8 to 12 feet. waves occasionally around 15 feet.
.tuesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. waves 3 to
5 feet.
.wednesday...northwest winds 5 to 10 knots becoming north 10 to
15 knots late in the morning...then backing to the northwest late
in the afternoon increasing to 15 to 20 knots late in the
evening. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon.
.thursday...northwest winds 10 to 15 knots increasing to 15 to
20 knots by midnight. waves 3 to 5 feet.
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots . waves 3 to 5 feet.
$$
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